How Important is Grounding on Utility Distribution Systems?

One of the most confusing subjects faced by utility distribution engineers is distribution neutral grounding. This confusion is compounded by utility mergers and the combining of construction practices. More and more, you'll hear questions like: Is good grounding really necessary? Does poor grounding have advantages? What is the best grounding? When is grounding important and when isn't it? This article will attempt to answer some of these questions, as well as demonstrate that while good grounding is usually preferred, it is sometimes unimportant or even detrimental.